Hamilton Watch Co., Lancaster, Pennsylvania, USA. 18K yellow gold rectangular face wristwatch, stamped “Hamilton” along the face, with lizard-patterned genuine leather band. Marked “18K Gold Hamilton” along the back of the case. Case width: 21 mm x case height: 37 mm x band width: 17 mm x lugs width: 20 mm. Gross weight: 20.57 dwt.